package Chapter7_MultiplexingClass;

/**
 * Date: 2019/2/18
 * Time: 17:41
 * User: Driss.
 *
 * 7.3 代理 小节示例代码
 */
public class SpaceShipControls {
    void up(int velocity){}
    void down(int velocity){}
    void left(int velocity){}
    void right(int velocity){}
    void forward(int velocity){}
    void back(int velocity){}
    void turboBoost(){}
}
